3x+300=7x+700

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Solution for 3x+300=7x+700 equation:


Simplifying
3x + 300 = 7x + 700

Reorder the terms:
300 + 3x = 7x + 700

Reorder the terms:
300 + 3x = 700 + 7x

Solving
300 + 3x = 700 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
300 + 3x + -7x = 700 + 7x + -7x

Combine like terms: 3x + -7x = -4x
300 + -4x = 700 + 7x + -7x

Combine like terms: 7x + -7x = 0
300 + -4x = 700 + 0
300 + -4x = 700

Add '-300' to each side of the equation.
300 + -300 + -4x = 700 + -300

Combine like terms: 300 + -300 = 0
0 + -4x = 700 + -300
-4x = 700 + -300

Combine like terms: 700 + -300 = 400
-4x = 400

Divide each side by '-4'.
x = -100

Simplifying
x = -100

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